Adjustable traverse tire belt winding apparatus

Abstract

Apparatus for forming a tire reinforcing belt by positioning continuous cord on a movable support surface in a zigzag pattern including a traversing guide member, drive means for moving the support surface and for traversing the guide member, cam means operatively connecting the drive means and the guide member, and moving means for changing the position of the guide member and the cam means with respect to the support surface.

That which is claimed is: 
     
       1. Apparatus for forming a tire reinforcing belt by positioning a continuous cord on a rotatable support surface in a zig-zag pattern comprising: a frame;   a support surface rotatably mounted on said frame;   means to rotate said support surface;   a traversing guide reciprocably mounted on said frame;   means for supplying cord to said support surface over said traversing guide;   a shaft mounted on said frame and adapted for rotational reciprocation about its longitudinal axis;   connecting means for reciprocating the traversing guide in response to rotational reciprocation of the shaft; and   means operably associated with the traversing guide for changing the length of travel of the traversing guide, said means for changing the length of travel of the traversing guide including a means to vary the perpendicular distance between the path of said traversing guide and said shaft.   
     
     
       2. The apparatus of claim 1 wherein the connecting means for reciprocating the traversing guide in response to rotational reciprocation of the shaft comprises: a rod connected to said traversing guide; and   a sleeve attached to said shaft and slidably mounted on said rod.   
     
     
       3. Apparatus for forming a tire reinforcing belt by positioning continuous cords on a rotatable support surface in a zig-zag pattern, including: a frame;   a platform movably mounted on said frame;   a first traversing rod reciprocably mounted on said platform;   a second traversing rod reciprocably mounted on said platform;   a first traversing guide member attached to the first traversing rod adjacent to said rotatable support surface;   a second traversing guide member attached to the second traversing rod adjacent to said rotatable support surface;   a first shaft, adapted for reciprocation about its axis of rotation mounted on said platform;   an eccentric collar member having a bearing surface and a plurality of holes through said collar member the centers of said holes lying evenly spaced on the same circle, the center of which circle is offset from the centerline of said bearing surface;   means for mounting said eccentric collar member on said platform, said means including a member having a plurality of holes evenly positioned on a circle;   a second shaft mounted on said platform, supported by said eccentric collar member and adapted for reciprocation about its axis of rotation;   means for rotationally reciprocating one of said shafts in response to rotational reciprocation of the other;   means for traversing the first traversing rod in response to rotational reciprocation of the first shaft;   means for traversing the second traversing rod in response to rotational receiprocation of the second shaft;   drive means mounted on said frame for rotating said support surface;   drive means mounted on said platform for rotationally reciprocating said shafts; and   means for moving said platform relative to said support surface.   
     
     
       4. The apparatus of claim 3 further comprising means for adjustably positioning said first and second shafts relative to said first and second traversing rods and wherein the means for traversing each traversing rod in response to reciprocation of the corresponding shaft comprises: a sleeve having a bore therethrough mounted on said shaft;   and a connecting rod disposed for reciprocation within said bore and pivotably joined to said traversing rod.   
     
     
       5. Apparatus for forming a tire-reinforcing belt by positioning cord on a rotatable surface in a zig-zag pattern, comprising: a frame;   a support surface rotatably supported by said frame;   a pair of guide members mounted for linear reciprocation on said frame adjacent to said support surface;   means for supplying cord to said support surface over each of said guide members;   means mounted on said frame for reciprocating each of said guide members, each said means including a shaft member operably associated with each of said guide members, said shaft members being spaced from one another, means for rotationally reciprocating one of said shaft members, means for rotationally reciprocating the other of said shaft members in response to rotational reciprocation of said one shaft member; and   means for adjusting the length of traverse of said guides, said means including means for varying the perpendicular distance between said shaft members and the path of said guide members.   
     
     
       6. The device of claim 5 further comprising means for minimizing the backlash between said shaft members, including a collar member telescoped over a portion of one of said shaft members, said collar member having a bearing surface and a plurality of holes through said collar member, the centers of said holes lying evenly spaced on the same circle, the centerline of the circle being offset from the centerline of said bearing surface. 
     
     
       7. The device of claim 5 wherein the means for reciprocating each of said guide members further includes a rod member connected to each of said traversing guide and a sleeve member slidably mounted on each said rod member and connected to said shaft member.